GNU bug report logs - #20241
25.0.50; `setq' with only one argument

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Package: emacs;

Reported by: Drew Adams <drew.adams <at> oracle.com>

Date: Wed, 1 Apr 2015 14:54:02 UTC

Severity: wishlist

Found in version 25.0.50

Done: Alan Mackenzie <acm <at> muc.de>

Bug is archived. No further changes may be made.

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Message #13 received at 20241-done <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: 20241-done <at> debbugs.gnu.org
Cc: Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#20241: 25.0.50; `setq' with only one argument
Date: 23 Nov 2015 14:31:12 -0000

In article <mailman.3138.1427900048.31049.bug-gnu-emacs <at> gnu.org> you wrote:
> See for example: `(setq mark-active)' in `compilation-goto-locus'
> (compile.el).

> setq' should not be called with only one argument.  It "works", with the
> effect of assigning a value of nil, but it is poor form.  Typically this
> is a sign of a typo.

Fixed in emacs-25.  The interpreter now signals a wrong-number-of-args
error, and the byte compiler issues a warning.

-- 
Alan Mackenzie (Nuremberg, Germany).
This bug report was last modified 9 years and 238 days ago.

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